package com.example.jchuah.tiles;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.DragEvent;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;

import java.util.ArrayList;
import java.util.Random;


public class MyActivity extends Activity implements View.OnTouchListener, View.OnDragListener, FlingDetector.FlingListener {

    int numRows = 4;
    int numCols = 3;

    TileGridLayout grid;
    Random randGen = new Random();
    FlingDetector flingDetector = new FlingDetector(this);
    GestureDetector gestureDetector;

    public void compareLocations(RowColPair source, RowColPair destination) {

    }


    public void onFlingLeft(View view) {
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair leftOf = coordinate.getLeft();
        compareLocations(coordinate, leftOf);
        View LookingTile = grid.getTile(leftOf);
        if (grid.isValidRowColPair(leftOf) && LookingTile.getTag().equals(R.layout.tile12)) {
            View justRemoved = grid.removeTile(leftOf);
            grid.removeTile(coordinate);
            grid.addTile(leftOf, view);
            if (justRemoved.getTag().equals(view.getTag())) {
            }
            grid.addTile(coordinate, justRemoved);
        }
    }

    public void onFlingRight(View view) {
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair rightOf = coordinate.getRight();
        compareLocations(coordinate, rightOf);
        View LookingTile = grid.getTile(rightOf);
        if (grid.isValidRowColPair(rightOf) && LookingTile.getTag().equals(R.layout.tile12)) {
            View justRemoved = grid.removeTile(rightOf);
            grid.removeTile(coordinate);
            grid.addTile(rightOf, view);
            if (justRemoved.getTag().equals(view.getTag())) {
            }
            grid.addTile(coordinate, justRemoved);
        }
    }

    public void onFlingUp(View view) {
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair aboveOf = coordinate.getAbove();
        compareLocations(coordinate, aboveOf);
        View LookingTile = grid.getTile(aboveOf);
        if (grid.isValidRowColPair(aboveOf) && LookingTile.getTag().equals(R.layout.tile12)) {
            View justRemoved = grid.removeTile(aboveOf);
            grid.removeTile(coordinate);
            grid.addTile(aboveOf, view);
            if (justRemoved.getTag().equals(view.getTag())) {
            }
            grid.addTile(coordinate, justRemoved);
        }
    }

    public void onFlingDown(View view) {
        RowColPair coordinate;
        coordinate = grid.getRowColumn(view);
        RowColPair belowOf = coordinate.getBelow();
        compareLocations(coordinate, belowOf);
        View LookingTile = grid.getTile(belowOf);
        if (grid.isValidRowColPair(belowOf) && LookingTile.getTag().equals(R.layout.tile12)) {
                View justRemoved = grid.removeTile(belowOf);
            grid.removeTile(coordinate);
            grid.addTile(belowOf, view);
            if (justRemoved.getTag().equals(view.getTag())) {
            }
            grid.addTile(coordinate, justRemoved);

        }
    }
    public void checkVictory() {

    }

    public void generateGrid() {
        int type = 0;
        ArrayList<Integer> list = new ArrayList<Integer>();


        list.add(R.layout.tile);
        list.add(R.layout.tile2);
        list.add(R.layout.tile3);
        list.add(R.layout.tile4);
        list.add(R.layout.tile5);
        list.add(R.layout.tile6);
        list.add(R.layout.tile7);
        list.add(R.layout.tile8);
        list.add(R.layout.tile9);
        list.add(R.layout.tile10);
        list.add(R.layout.tile11);
        list.add(R.layout.tile12);

        for (int row = 0; row < numRows; row++) {
            for (int col = 0; col < numCols; col++) {
                int id = 0;

                id = list.remove(randGen.nextInt(list.size()));

                View tile = getLayoutInflater()
                        .inflate(id, null);
                tile.setTag(id);

                tile.setOnTouchListener(new View.OnTouchListener() {
                    @Override
                    public boolean onTouch(View view, MotionEvent motionEvent) {
                        flingDetector.touched = view;
                        return gestureDetector.onTouchEvent(motionEvent);
                    }
                });
                grid.addTile(row, col, tile);

            }
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my);
        grid = (TileGridLayout) findViewById(R.id.gridView);
        generateGrid();
        gestureDetector = new GestureDetector(this, flingDetector);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.my, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onDrag(View view, DragEvent dragEvent) {
        return false;
    }

    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
        return false;
    }

}